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<h2><a href="closure_goog_debug_error.js.html">error.js</a></h2>

<pre class="prettyprint lang-js">
<a name="line1"></a>// Copyright 2009 The Closure Library Authors. All Rights Reserved.
<a name="line2"></a>//
<a name="line3"></a>// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
<a name="line4"></a>// you may not use this file except in compliance with the License.
<a name="line5"></a>// You may obtain a copy of the License at
<a name="line6"></a>//
<a name="line7"></a>//      http://www.apache.org/licenses/LICENSE-2.0
<a name="line8"></a>//
<a name="line9"></a>// Unless required by applicable law or agreed to in writing, software
<a name="line10"></a>// distributed under the License is distributed on an &quot;AS-IS&quot; BASIS,
<a name="line11"></a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<a name="line12"></a>// See the License for the specific language governing permissions and
<a name="line13"></a>// limitations under the License.
<a name="line14"></a>
<a name="line15"></a>/**
<a name="line16"></a> * @fileoverview Provides a base class for custom Error objects such that the
<a name="line17"></a> * stack is correctly maintained.
<a name="line18"></a> *
<a name="line19"></a> * You should never need to throw goog.debug.Error(msg) directly, Error(msg) is
<a name="line20"></a> * sufficient.
<a name="line21"></a> *
<a name="line22"></a> */
<a name="line23"></a>
<a name="line24"></a>goog.provide(&#39;goog.debug.Error&#39;);
<a name="line25"></a>
<a name="line26"></a>
<a name="line27"></a>
<a name="line28"></a>/**
<a name="line29"></a> * Base class for custom error objects.
<a name="line30"></a> * @param {*=} opt_msg The message associated with the error.
<a name="line31"></a> * @constructor
<a name="line32"></a> * @extends {Error}
<a name="line33"></a> */
<a name="line34"></a>goog.debug.Error = function(opt_msg) {
<a name="line35"></a>
<a name="line36"></a>  // Ensure there is a stack trace.
<a name="line37"></a>  if (Error.captureStackTrace) {
<a name="line38"></a>    Error.captureStackTrace(this, goog.debug.Error);
<a name="line39"></a>  } else {
<a name="line40"></a>    this.stack = new Error().stack || &#39;&#39;;
<a name="line41"></a>  }
<a name="line42"></a>
<a name="line43"></a>  if (opt_msg) {
<a name="line44"></a>    this.message = String(opt_msg);
<a name="line45"></a>  }
<a name="line46"></a>};
<a name="line47"></a>goog.inherits(goog.debug.Error, Error);
<a name="line48"></a>
<a name="line49"></a>
<a name="line50"></a>/** @override */
<a name="line51"></a>goog.debug.Error.prototype.name = &#39;CustomError&#39;;
</pre>


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